Chelsea loanee Nathan Ake's stoppage-time goal secured Bournemouth their first-ever win over Liverpool as Jurgen Klopp's side capitulated to lose ground on the Blues in the Premier League title race.

Seemingly coasting to a win which would have taken them to within a point of leaders Chelsea, the Reds came undone as Bournemouth substitute Ryan Fraser led the comeback charge as the hosts sealed a memorable 4-3 victory.

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The debate over Liverpool's number 1 will go on

Liverpool led 3-1 with just 15 minutes remaining. They were cruising to a win which would have put them back within a point of leaders Chelsea.

The Reds just needed to keep their heads, not do anything stupid, but after Ryan Fraser pulled one back they imploded.

Composure was conspicuous by its absence as they gifted Eddie Howe's side the initiative.

Steve Cook slammed home the equaliser and then deep into stoppage time came the hammer blow.

Cook's low drive was straight at Loris Karius but inexplicably the keeper spilled it and Nathan Ake, who is on loan from Chelsea, tucked away the rebound. The German shot-stopper wanted the ground to open and swallow him up.

Within seconds of the final whistle 'Mignolet' and 'Matip' were both trending on Twitter.

Knee-jerk? Maybe. There's no chance Klopp will drop Karius on the back of one wretched blunder, but the debate over Liverpool's No 1 will rumble on.

Karius has only played 10 games following his summer move from Mainz so it's too early to judge him. But he has yet to prove that he's a significant upgrade on what the Reds already had.

There have been other careless errors from him in recent weeks but this was the first time he has cost Liverpool points.

The fact is that Simon Mignolet lost his place to the new signing in September having done little wrong this season and has responded well to that setback, knuckling down and performing well in the EFL Cup. The Belgian hasn't given up the fight and is knocking on the door.

One man who will certainly walk back into the side to face West Ham at Anfield next Sunday if he's fit is Joel Matip.

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The former Schalke defender was sorely missed against Bournemouth after being ruled out with a minor ankle injury.

It's no coincidence that Matip also sat out Liverpool's only other defeat this season – away to Burnley in August.

The Cameroon international has been so key to tightening up the Reds' backline. It's not just his aerial prowess, ability to read a game and how comfortable he is with the ball at his feet, it's the cool and calm persona which rubs off on others around him.